This sounds like another startup that is ignoring all of the edge cases, testing, calibration, and certification that make this kind of product expensive. In t

This sounds like another startup that is ignoring all of the edge cases, testing, calibration, and certification that make this kind of product expensive. In this case it's a good idea. And they know exactly where their market is. I hope it takes off. :) There are plenty of applications where the reliability requirements are it works most of the time.